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	hartrees
Energy at 0K	-375.792338
Energy at 298.15K
HF Energy	-375.554470
Nuclear repulsion energy	230.837663

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3380	3380	0.00
2	A_g	1751	1751	0.00
3	A_g	1385	1385	0.00
4	A_g	1203	1203	0.00
5	A_g	775	775	0.00
6	A_g	571	571	0.00
7	A_g	406	406	0.00
8	A_u	732	732	291.67
9	A_u	473	473	40.71
10	A_u	168	168	2.92
11	B_g	821	821	0.00
12	B_g	730	730	0.00
13	B_u	3382	3382	175.26
14	B_u	1797	1797	176.61
15	B_u	1299	1299	795.34
16	B_u	1185	1185	58.98
17	B_u	655	655	20.73
18	B_u	260	260	65.57

Atom	x (Å)	y (Å)
C1	-0.057	0.764
C2	0.057	-0.764
O3	1.153	1.369
O4	-1.153	-1.369
O5	-1.153	1.328
O6	1.153	-1.328
H7	1.849	0.646
H8	-1.849	-0.646

	C1	C2	O3	O4	O5	O6	H7	H8
C1		1.5324	1.3524	2.3980	1.2323	2.4163	1.9093	2.2802
C2	1.5324		2.3980	1.3524	2.4163	1.2323	2.2802	1.9093
O3	1.3524	2.3980		3.5792	2.3059	2.6965	1.0034	3.6151
O4	2.3980	1.3524	3.5792		2.6965	2.3059	3.6151	1.0034
O5	1.2323	2.4163	2.3059	2.6965		3.5166	3.0780	2.0928
O6	2.4163	1.2323	2.6965	2.3059	3.5166		2.0928	3.0780
H7	1.9093	2.2802	1.0034	3.6151	3.0780	2.0928		3.9168
H8	2.2802	1.9093	3.6151	1.0034	2.0928	3.0780	3.9168

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O4	112.306	C1	C2	O6	121.473
C1	O3	H7	107.354	C2	C1	O3	112.306
C2	C1	O5	121.473	C2	O4	H8	107.354
O3	C1	O5	126.221	O4	C2	O6	126.221

All results from a given calculation for C₂H₂O₄ (Oxalic Acid)

using model chemistry: B2PLYP=FULLultrafine/3-21G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for C2H2O4 (Oxalic Acid)

using model chemistry: B2PLYP=FULLultrafine/3-21G

States and conformations

All results from a given calculation for C₂H₂O₄ (Oxalic Acid)